Singer Christina Aguilera has teamed up with 'Happy' hitmaker Pharrell Williams, who she willl join in the upcoming season of 'The Voice'.
Aguilera, 34, has worked with Williams for her new album, reported Aceshowbiz.
"During my pregnancy, I had a meeting with him and just connected on where I want to take the next album," said Aguilera, who took a break from 'The Voice' when she was pregnant with her second child last year.
"And we started talking music, and he has one song in particular that I love," she said.
